Inventor · Hachioji, JP

Naoki Chinone

45Patents
17h-index
62Co-inventors
80Inventor score

Filing activity: Sep 10, 1975 → Dec 6, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5119393A Semiconductor laser device capable of controlling wavelength shift Electricity 52 Expired
US4737003A Optical switching device utilizing multiple quantum well structures between intersecting waveguides Physics 37 Expired
US4885753A Semiconductor laser device of variable wavelength type Electricity 36 Expired
US5177758A Semiconductor laser device with plural active layers and changing optical properties Electricity 31 Expired
US4813757A Optical switch including bypass waveguide Physics 28 Expired
US4894835A Surface emitting type semiconductor laser Electricity 28 Expired
US4748132A Micro fabrication process for semiconductor structure using coherent electron beams Emerging Cross-Sectional Technologies 28 Expired
US5132981A Semiconductor optical device Electricity 25 Expired
US4601535A Optical coupling system with intermediate coupling medium Physics 24 Expired
US5173909A Wavelength tunable laser diode Electricity 24 Expired
US4905060A Light emitting device with disordered region Electricity 23 Expired
US4873691A Wavelength-tunable semiconductor laser Electricity 23 Expired
US4665528A Distributed-feedback semiconductor laser device Electricity 21 Expired
US4740976A Semiconductor laser device Electricity 20 Expired
US4506366A Semiconductor laser device Electricity 20 Expired
US4861130A Optical modulating device utilizing polariton substance Physics 18 Expired
US4881235A Semiconductor laser having a multiple quantum well structure doped with impurities Emerging Cross-Sectional Technologies 18 Expired
US4161701A Semiconductor laser Electricity 17 Expired
US4835578A Semiconductor device having a quantum wire and a method of producing the same Electricity 16 Expired
US5042049A Semiconductor optical device Electricity 15 Expired
US4827483A Semiconductor laser device and method of fabricating the same Electricity 15 Expired
US4775980A Distributed-feedback semiconductor laser device Electricity 15 Expired
US4432091A Semiconductor laser device Electricity 15 Expired
US5179567A Semiconductor laser device, method of fabricating the same and optical system of utilizing the same Electricity 14 Expired
US4121179A Semiconductor injection laser Electricity 14 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.